I saw this short video on Jay Leno's Garage. In the four minute seqment Jay and his mechanic discuss options for dealing with modern gasoline.

My question comes from one comment where Jay mentions to add "top end lubricant" to the gasoline. What is "top end lubricant".

Jay also suggests Automatic Transmission Fluid as an alternate additive (8 - 10 ounces) to the gasoline. What ratio is correct if this method is used?

Here is the link:
http://www.jaylenosgarage.com/video/index.shtml?vidID=126269


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